Wake Numerical Simulation of Wind Field Based on Two Modified Wind Engineering Models

作     者：Yang Xiangsheng Zhao Ning Tian Linlin 

作者机构：Jiangsu Key Laboratory of Hi-Tech Research for Wind Turbine DesignNanjing University of Aeronautics & Astronautics 

出 版 物：《Transactions of Nanjing University of Aeronautics and Astronautics》 (南京航空航天大学学报（英文版）)

年 卷 期：2016年第33卷第1期

页      面：53-59页

核心收录：

学科分类：080703[工学-动力机械及工程] 080704[工学-流体机械及工程] 08[工学] 0807[工学-动力工程及工程热物理] 

基　　金：funded jointly by the National Basic Research Program of China(″973″Program)(No2014CB046200) the Natural Science Foundation of Jiangsu Province(BK2014059) the Priority Academic Program Development of Jiangsu Higher Education Institutions 

主　　题：Park-polynomial model Park-Gaussian model wind turbine wake 

摘      要：With the assumption of the Park model that the wake region is in linear expansion and the cross-wind is in multinomial and Gaussian distribution in wake region,one develops the Park-polynomial model and the ParkGaussian model to numerically simulate the wake flow field for a single wind *** with the measured data of wind farm and the wind tunnel test,it shows that the prediction precision of wake field has been improved obviously under the modified initial wake ***,both of the newly modified two models could well simulate the wind velocity in wake region,because the predicted results is approximately consistent with the test result,and the cross-wind distribution conforms to that of the real flow *** two models have still inherited many advantages of engineering models,such as simple form,easy-to-code,and high computational ***,the Park-Gaussian model is the best in overall performance among them.